CS 160: Lecture 16
Outline
Review
Why do User Testing?
Choosing Participants
Ethical Considerations
User Test Proposal
Selecting Tasks
Data Types
Deciding on Data to Collect
Process Data vs. Bottom Line Data
The “Thinking Aloud” Method
Thinking Aloud (cont.)
Administrivia
Using the Test Results
Using the Results (cont.)
Measuring Bottom-Line Usability
Some statistics
Significance
Significance
Normal distributions
Normal distributions
Analyzing the Numbers
Analyzing the Numbers (cont.)
Measuring User Preference
Comparing Two Alternatives
Experimental Details
Reporting the Results
Summary